DISCOVER NEW HORIZONS
C/2025 A6 (Lemmon)
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Imaging Camera QHY600
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Total Integration 12min
L: 450sec
R: 90sec
G: 90sec
B: 90sec
Astrophotographer
Michael Jäger,
Gerald Rhemann G00

DISCOVER NEW HORIZONS
L: 450sec
R: 90sec
G: 90sec
B: 90sec
Model | QHY268M/C PH | QHY600PH QHY600PH SBFL |
QHY461PH | QHY533M/C | QHY294M Pro | QHY183M/C | QHY367C PRO |
CMOS Sensor | SONY IMX571 | SONY IMX455 | SONY IMX461 | SONY IMX533 | SONY IMX492 (MONO) | SONY IMX183 | Sony IMX094 |
Mono/Color | Both Available | Both Available | Mono Only | Both Available | Mono Only | Both Available | Color |
FSI/BSI | BSI | BSI | BSI | BSI | BSI | BSI | FSI |
Pixel Size | 3.76um x 3.76um | 3.76um x 3.76um | 3.76um x 3.76um | 3.76um x 3.76um | 4.63um*4.63um | 2.4um*2.4um | 4.88um*4.88um |
Effective Pixel Area | 6280*4210 (includes the optically black area and overscan area) | 9576*6388(9600*6422 with overscan and optically black area) | 11760 × 8896 | 3008*3028 (includes the optically black area and overscan area) | 4164*2796 | 5544*3684 | 7376*4938 |
Effective Pixels | 26 Megapixels | 61.17 Megapixels | 102 Megapixels | 9 Megapixels | 11.7 MP 46.8 MP(Extended Pixel Mode) |
20 Megapixels | 36MP |
Sensor Size | APS-C | Full Frame (36mm x 24mm) | Medium Format (44mm x 33mm) | Typical 1 inch | 4/3 inch (19.28mm*12.95mm) | Typical 1 inch (13.3mm*8.87mm) | Full Frame (36mm x 24mm) |
A/D | Native 16-bit (0-65535 greyscale) A/D | Native 16-bit (0-65535 greyscale) A/D | Native 16-bit (0-65535 greyscale) A/D | Native 14-bit A/D | Native 14-bit A/D | 12bit (output as 16bit and 8bit) | 14bit |
Full Well Capacity (1×1, 2×2, 3×3) | Standard Mode 51ke- Extended Full Well Mode >75ke- |
Standard Mode >51ke- / >204ke- / >408ke- Extended Full Well Mode >80ke- / >320ke- / >720ke- |
Standard Mode 50ke- / 200ke- / 450ke- Extended Full Well Mode 80ke- / 320ke- / 720ke- |
58ke- | 65ke- | 15.5ke- | 56ke- |
Frame Rates | Full Resolution 6.8FPS @8BIT 6FPS @16BIT 2048lines 13.6FPS @8BIT 11.5FPS@16BIT 1080lines 25.4FPS @8BIT 19.5FPS@16BIT 768lines 35FPS @8BIT 25FPS@16BIT 480lines 50FPS @8BIT 34FPS@16BIT |
Full Resolution: 4.0FPS (8-bit output) ; 2.5FPS (16-bit output) ROI: 7.2FPS@9600×3194, 22.5FPS@9600×1080, 28FPS@9600×768, 47FPS@9600×480, 160FPS@9600×100 |
Full Resolution: 2.7FPS @ 8BIT 1.3FPS@16BIT | Full Resolution: 26.5FPS @8BIT 20FPS @16BIT ROI: 2160Lines 37FPS @8BIT 28.5FPS@16BIT 1080Lines 71.5FPS @8BIT 55FPS @16BIT 768Lines 97FPS @8BIT 76FPS @16BIT 480Lines 152FPS @8BIT 117FPS @16BIT 240Lines 280FPS @8BIT 215FPS@16BIT |
Standard 11.6mega pixel mode Full resolution: 16.5FPS@14BIT ROI: 2160lines 21FPS 1080lines 41FPS 960lines 46FPS 768lines 56FPS 480lines 87FPS 240lines 156FPS 100lines 290FPS47mega pixel mode 8340*5644 4FPS@14BIT and 8BIT |
Full Resolution: 19FPS@8BIT 7.5FPS@12BIT
ROI: |
Full Resolution: 3.2FPS |
Readout Noise | 1.1e- High Gain,3.5e- Low Gain(5.3e- to 7.4e- in extended full well mode) | 1.0e- to 3.7e- (Standard Mode) | 1e- to 3.7e- (HGC Mode) | 1.3 to 3.4e- | 1.6- to 1.2e- (High Gain Mode) 6.9- to 5.2e- (Low Gain Mode) |
1.0e- to 2.7e- | 2.4e- to 3.2e- |
Dark Current | -20℃,0.0005e /pixel/sec-10℃,0.001e /pixel/sec | 0.0022e-/p/s @ -20℃ 0.0046e-/p/s @ -10℃ | About 0.003e/pixel/sec @ -20℃ | 0.0005e- /pixel/sec @-20℃ | 0.002e-/pixel/sec @-20℃ 0.005e-/pixel/sec @-10℃ |
0.0024e-/pixel/sec @ -15℃ | 0.0015e-/pixel/sec @-15℃ |
Exposure Time Range | 30us-3600sec | 40us – 3600sec | 50us – 3600sec | 30us-3600sec | 60us-3600sec | 50us-3600sec | 60us-3600sec |
Recommend Gain* | 30 (PH Mode, or Extended Full Well Mode) 56 (High Gain Mode) *Learn more at the introduction of “Readout Modes”. |
25 (PH Mode, or Extended Full Well Mode) 56 (High Gain Mode) *Learn more at the introduction of “Readout Modes”. |
26 (PH Mode, or Extended Full Well Mode) 56 (High Gain Mode) *Learn more at the introduction of “Readout Modes”. |
68 | 1600 (11MP Mode) 2600 (47MP Mode) |
10 | 2800 |
Amp Control | Zero Amplifer Glow | Zero Amplifer Glow | Zero Amplifer Glow | Nearly Zero Amplifer Glow | Amplifer Glow Can be reduced during long exposure | Amplifer Glow Can be reduced during long exposure | Nearly Zero Amplifer Glow |
Shutter Type | Electric Rolling Shutter | Electric Rolling Shutter | Electric Rolling Shutter | Electric Rolling Shutter | Electric Rolling Shutter | Electric Rolling Shutter | Electric Rolling Shutter |
Computer Interface | USB3.0 | USB3.0 | USB3.0 | USB3.0 | USB3.0 | USB3.0 | USB3.0 |
Built-in Image Buffer | 1GB DDR3 Memory | 2GB DDR3 Memory | 1GB DDR3 Buffer | 1GB DDR3 Buffer | 256MB DDR3 Buffer | 128MB DDR2 Buffer | 128MB DDR2 Buffer |
Cooling System | Dual Stage TEC cooler: – Long exposures (> 1 second) typically -35℃ below ambient – Short exposure (< 1second) high FPS, typically -30℃ below ambient(Test temperature +20℃) |
Dual Stage TEC cooler: – Long exposures (> 1 second) typically -35℃ below ambient – Short exposure (< 1second) high FPS, typically -30℃ below ambient(Test temperature +20℃) |
Dual Stage TEC cooler: – Long exposures (> 1 second) typically -35℃ below ambient – Short exposure (< 1second) high FPS, typically -30℃ below ambient(Test temperature +20℃) |
Dual Stage TEC cooler: – Long exposures (> 1 second) typically -35℃ below ambient – Short exposure (< 1second) high FPS, typically -30℃ below ambient(Test temperature +20℃) |
Dual Stage TEC cooler(about -35℃ below ambient, test temperature +20℃) | Dual Stage TEC cooler (-40℃ below ambient, test temperature +20℃) | Dual Stage TEC cooler (-45℃ below ambient, test temperature +20℃) |
Optic Window Type | AR+AR High Quality Multi-Layer Anti-Reflection Coating | AR+AR High Quality Multi-Layer Anti-Reflection Coating | AR+AR High Quality Multi-Layer Anti-Reflection Coating | AR+AR High Quality Multi-Layer Anti-Reflection Coating | AR+AR High Quality Multi-Layer Anti-Reflection Coating | QHY183M: AR+AR High Quality Multi-Layer Anti-Reflection Coating QHY183C: IR-Cut Filter |
AR+AR High Quality Multi-Layer Anti-Reflection Coating |
Telescope Interface | Support M54 or M48 (Combined with adapters ) | Support M54 or M48 (Combined with adapters ) | – | 533M: Support C-Mount or M48 (with adapter) 533C: Support M42 or M48 (with adapter) |
M42/0.75 | M42/0.75 | M54/0.75 |
Back Focal Length *Learm more: https://www.qhyccd.com/adapters/ |
14.5mm(±0.2) | QHY600PH: 17.5mm+6mm (CAA) QHY600SBFL: 14.5mm(±0.2) |
32.5mm(±0.2) | 533M: 14mm(±0.2) 533C: 17mm(±0.2) |
17.5mm(±0.2) | 17.5mm(±0.2) | 17.5mm+6mm (CAA) |
Anti-Dew Heater | Available | Available | Available | Available | Available | Available | Available |
Humidity Sensor | Available in QHY268M only | Available | Available | – | – | – | – |
Firmware/FPGA remote Upgrade | Available via Camera USB port | Available via Camera USB port | Available via Camera USB port | – | – | – | – |
Weight | About 810g | About 850g | About 1850g | 845g | 650g | 650g | 678g |
Model | QHY5III568M/C | QHY5III715C | QHY5III678M/C | QHY5III200M | QHY5III585C | QHY5III462M/C | QHY5III485C | QHY5III174M |
Image Sensor | Sony IMX568 | Sony IMX715 | Sony IMX678 | SC2210 | Sony IMX585 | SONY IMX462 | Sony IMX485 | Sony IMX174 |
Mono/Color | Both Available | Color Only | Both Available | Mono Only | Color only | Both Available | Color Only | Mono Only |
FSI/BSI | BSI | BSI | BSI | BSI | BSI | BSI | BSI | FSI |
Sensor Size | 6.7mm*5.6mm(Type1/1.8) | 5.6mm*3.2mm | 1/1.8inch | – | 1/1.2inch | Typical 1/2.8 inch | 1/1.2inch | 1/1.2inch |
Pixel Size | 2.74um*2.74um | 1.45um*1.45um | 2.0um*2.0um | 4um*4um | 2.9um*2.9um | 2.9um*2.9um | 2.9um*2.9um | 5.86um*5.86um |
Effective Pixel Area | 2472*2064 | 3840*2192 | 3856*2180 | 1920*1080 | 3856*2180 | 1920*1080 | 3864*2180 | 1920*1200 |
Effective Pixels | 5.1 Megapixels | 8.4 Megapixels | 8.4 Megapixels | 2 Megapixels | 8.4 Megapixels | 2 Megapixels | 8.4 Megapixels | 2.3 Megapixels |
Full Well Capacity | Full Resolution: 8.8ke- 2X2 FD Binning: 9.7ke- |
5.7ke- | 9ke- | 8ke- | 52ke- | 12ke- | 12ke- | 32ke- |
Read Noise | Full Resolution: 1.5-2.3e- 2X2 FD Binning: 1.6-2.7e- |
0.87- to 2.17e- | 0.57e- to 3.3e- | 0.75e- to 3e- | 0.77e- to 8e- | 0.5e- | 0.77e- to 2.4e- | 2.2e- to 5.5e- |
A/D | 12-bit (output as 16-bit and 8-bit) | 12-bit (output as 16-bit and 8-bit) | 12-bit (output as 16-bit and 8-bit) | 12-bit (output as 16-bit and 8-bit) | 12-bit (output as 16-bit and 8-bit) | 12-bit (output as 16-bit and 8-bit) | 12bit (output as 16bit and 8bit) | 12bit (output as 16bit and 8bit) |
Built-in Image Buffer | 512MB DDR3 Memory | 512MB DDR3 Memory | 512MB DDR3 Memory | 512MB DDR3 Memory | 512MB DDR3 Memory | – | 128MB DDR II Memory | – |
Full Frame Rates | 2472X2064 @8Bit 64.9FPS @16Bit 34.5Fps | 42FPS @8BIT 23FPS | 43FPS @8BIT, 22FPS @16BIT | 96.5FPS @8BIT 60FPS @16BIT | 41.5FPS@8BIT 23.5FPS @16BIT | 135 FPS@8-bits | 44FPS@8-bits | 138FPS |
ROI Frame Rates | 1920X1080 @8Bit 115.6Fps @16Bit 62.1Fps 800X600 @8Bit 187.2Fps @16Bit 100.5Fps 480X480 @8Bit 221.2Fps @16Bit 118.5Fps2X2 FD Binning 1236X1032 @8Bit 283.2Fps @16Bit 142.5Fps 800X600 @8Bit 439.6Fps @16Bit 221.9Fps 480X480 @8Bit 519.6Fps @16Bit 262.8Fps |
@16BIT1920Lines 83FPS @8BIT 47FPS @16BIT640Lines 99FPS @8BIT 99FPS @16BIT | 1080Lines 85FPS @8BIT 43.5FPS @16BIT 640Lines 140FPS @8BIT 71FPS @16BIT |
960Lines 187FPS @8BIT 116FPS @16BIT 480Lines 209FPS @8BIT 130FPS @16BIT |
1080Lines 82FPS @8BIT 47FPS @16BIT 640Lines 135FPS @8BIT 79FPS @16BIT |
TBA | 78.5FPS@1200lines, 87FPS@1080lines, 91.5FPS@1024lines, 97.5FPS@960lines, 121FPS@768lines, 190FPS@480lines |
262FPS@ 960*600 490FPS@ 480*300 |
Exposure Time Range | 11us-900sec | 11us-900sec | 11us-900sec | 15us-900sec | 11us-900sec | 7us-900sec | 11us-900sec | – |
Shutter Type | Electric Global Shutter | Electronic Rolling Shutter | Electronic Rolling Shutter | Electronic Rolling Shutter | Electronic Rolling Shutter | Electronic Rolling Shutter | Electronic Rolling Shutter | Electronic Rolling Shutter |
Computer Interface | USB3.0 Type-C | USB3.0 Type-C | USB3.0 Type-C | USB3.0 Type-C | USB3.0 Type-C | USB3.0 Type-B | USB3.0 Type-B | USB3.0 Type-B |
Guide Port | Standard ST-4 Style | Standard ST-4 Style | Standard ST-4 Style | Standard ST-4 Style | Standard ST-4 Style | Custom ST-4 | Custom ST-4 | Custom ST-4 |
Telescope Interface | 1.25-inch, with CS and C-Mount | 1.25-inch, with CS and C-Mount | 1.25-inch, with CS and C-Mount | 1.25-inch, with CS and C-Mount | 1.25-inch, with CS and C-Mount | 1.25-inch, C-Mount | 1.25-inch, with CS and C-Mount | 1.25-inch, with CS and C-Mount |
Optical Window | AR Anti-reflection Glass (5III568M) IR-Cut filter (5III568C) |
AR Anti-reflection Glass | AR Anti-reflection Glass (5III678M) IR-Cut filter (5III678C) |
AR Anti-reflection Glass | AR Anti-reflection Glass | AR Anti-reflection Glass | IR-Cut Filter | AR Anti-reflection Glass |
Extra Filter | – | – | IR850nm Filter Included | IR850nm Filter Included | IR850nm Filter Included IR-Cut filter Included |
IR850nm Filter Included IR-Cut Filter Included in 462C Only |
– | – |
Back Focal Length | 17mm (with adapter); 8mm(without adapter) |
17mm (with adapter); 8mm(without adapter) |
17mm (with adapter); 8mm(without adapter) |
17mm (with adapter); 8mm(without adapter) |
17mm (with adapter); 8mm(without adapter) |
12mm | 12mm | 12mm |
Weight | 80g | 90g | 90g | 90g | 90g | 88g | 90g | 85g |