Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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The Flying Bat and the "Squid" ;-), 


            Damien Cannane
The Flying Bat and the "Squid" ;-)
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The Flying Bat and the "Squid" ;-)

Technical card

Imaging telescopes or lenses: Celestron RASA 8"

Imaging cameras: ZWO ASI183MC Pro

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Orion Mini 50mm Guide Scope

Guiding cameras: ZWO ASI224MC

Software: Pleiades Astrophoto PixInisight  ·  ZWO ASIAIR PRO ASIAIR PRO  ·  DeepSkyColors HLVG (Hasta La Vista Green)  ·  Photoshop CC  ·  Deepsky Stacker Deep Sky Stacker (DSS)  ·  Pro Digital Software Astronomy Tools Actions Set

Filters: Optolong L-eNhance

Accessory: ZWO ASIair Pro

Dates:June 16, 2020

Frames:Optolong L-eNhance: 121x120" (gain: 156.00) -10C

Integration: 4.0 hours

Avg. Moon age: 25.03 days

Avg. Moon phase: 21.19%

Bortle Dark-Sky Scale: 6.00

Mean FWHM: 3.50

Basic astrometry details

Astrometry.net job: 3632692

RA center: 21h 11' 55"

DEC center: +59° 57' 28"

Pixel scale: 1.241 arcsec/pixel

Orientation: 269.465 degrees

Field radius: 1.139 degrees

Resolution: 5496x3672

Locations: My Back Yard, Copley, OH, United States

Data source: Backyard


I captured 4 hours on this target on June 16. The flying bat is fine, but the real treasure here is the Squid, as far I'm concerned. You can see a bit of it in my starless version (at center), but I need to gather a lot more data to really bring it out properly. 4 hours on my RASA is roughly equivalent to about 22 hours with my f/4.8 80mm refractor, but people often integrate 30 or more hours on a fast scope and a mono camera to really create a beautiful image of it. I'm going to need more time under a moonless sky to improve this. :)