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Review of QHY410C

By Terry Hancock

 
 
As a QHYCCD Test Center Grand Mesa Observatory and I are pleased to be beta testing QHYCCD’s latest offering the “QHY410C” and having been so impressed with the performance of its predecessor the QHY128C I was so thrilled to test the QHY410C which is essentially a back-illuminated version of the 128C.
 
 
we have only had the sample test camera for a few days and during this time I have been fighting clouds however I’m pleased to provide 2 sets of data, I needed to select objects far enough away from the ever increasing size of the waxing moon so I chose M31 and Comet NEOWISE.  
 
Driver setup with the new QHY410C is made very easy with QHYCCD’s new “System Pack” set of 5 drivers including the system and ascom drivers as well as SDK and SkyX plugin for windows.
 
Another first for the QHY410C is the addition of a socket for a 4 pin Filter Wheel, from my experience with QHY cameras using the USB driver for filter wheels is not an issue but having the 4 pin connection is a good feature to have non the less in my opinion.  
 
As we endure the summer heat I was able to set the camera to cool to -10C and while the ambient temperature was around 24C the TEC cooling was running at 75% of power which is well within the specifications of -35C below ambient.
 
 
Initially I misunderstood the optimum Gain Settings and used the “low gain” rather than “high gain” but even so I was really impressed with the extremely high sensitivity of the camera when shooting M31 and the rapidly fading Comet NEOWISE. These initial images demonstrate how the low read noise and the large full well capacity “120ke-“ produced these relatively long exposure images (for F2.8 optics) not requiring any noise reduction and without core blowout. 
 
 
Andromeda Galaxy
 

Captured from Grand Mesa Observatory in Western Colorado on July 23, 2020 using the QHY410C Back Illuminated Full Frame One Shot color CMOS camera on one of the Twin Takahashi E-180 Astrographs “System 4a”  
Total Integration time: 4.3 hours  
 
Image details
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
38.963365, -108.237225
Dates of capture: July 23 2020
Color RGGB 260 min, 52 x 300 sec
Camera: QHY410C Backlit Full Frame CMOS
Gain 0, Offset 76, Low Gain Mode
Calibrated with flat & Bias
Optics: Takahashi E-180 Astrograph
Image Acquisition software Maxim DL6
Pre Processed in Pixinsight
Post Processed in Photoshop CC
 
 
 
Comet NEOWISE
 
 
Captured from Grand Mesa Observatory in Western Colorado on July 24, 2020 using the QHY410C Back Illuminated Full Frame One Shot color CMOS camera on one of the Twin Takahashi E-180 Astrographs “System 4a”  
Total Integration time: 10 minutes  
 
Image details
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
38.963365, -108.237225
Dates of capture: July 24 2020
Color RGGB 10 min, 10 x 60 sec
Camera: QHY410C Backlit Full Frame CMOS
Gain 0, Offset 76, Low Gain Mode
Calibrated with flat & Bias
Optics: Takahashi E-180 Astrograph
Image Acquisition software Maxim DL6
Pre Processed in Pixinsight
Post Processed in Photoshop CC  
 
 
 
 
 
 




Bright and Dark Nebulae in Cepheus (Annotated Image)
 
Captured on September 22nd at Grand Mesa Observatory using QHYCCD’s latest offering the QHY410C Back Illuminated Full Frame one shot color CMOS camera that we have the honor of testing. A myriad of different types of objects are visible in this wide field image covering over 4 x 2.4 degrees of sky. Take a close look at the annotated image and you will see: From Lynde’s Catalogues of Bright and Dark Nebulae LDN 1089, LDN 1100, LDN 1094, LBN 444, LBN 447. Emission Nebula Sh2-130, face-on intermediate spiral galaxy NGC 6949 and 17 distant galaxies from the PGC catalogue.
This new setup is available immediately for people wanting to subscribe to Grand Mesa Observatory's system 4a
View High Resolution
Astrobin https://www.astrobin.com/6mfj8b/
Flickr: https://www.flickr.com/…/terryha…/50382982606/in/dateposted/
Technical Info:
Total Integration time 3.75 hours
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Date of capture: September 22nd 2020
Color RGGB 225 min, 45 x 300 sec
Camera: QHY410C Back Illuminated Full Frame Color CMOS
Gain 0, Offset 76
Read Mode: High Gain Mode
Calibrated with Dark, Bias and Flat Frames
Optics: Takahashi E-180 Astrograph
Image Acquisition software Maxim DL6
Pre Processed in Pixinsight and Deep Sky Stacker
Post Processed in Photoshop
 
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