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Hamburger Galaxy (NGC3628) in CLS-RGB

Posted on August 28, 2018November 1, 2020

NGC 3628, also known as the Hamburger Galaxy or Sarah’s Galaxy, is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo.

www.astrobin.com/339562

Technical card
Imaging telescope or lens: Altair Astro RC250-TT 10" RC Truss Tube

Imaging camera: ZWO ASI1600MM-Cool

Mount: Skywatcher AZ EQ-6 GT

Guiding telescope or lens: Celestron OAG Deluxe

Guiding camera: QHYCCD QHY5III174

Focal reducer: Astro-Physics CCDT67 – 0.67x Reducer

Software: Main Sequence Software Seqence Generator Pro, Pleiades Astrophoto PixInsight

Filters: Optolong Blue 36mm, Optolong Green 36mm, Optolong Red 36mm, Optolong CLS – CCD (V4) 36mm

Accessories: MoonLite CSL 2.5" Focuser with High Res Stepper Motor, ZWO EFW

Resolution: 4440×3274

Dates: March 15, 2018, March 18, 2018, March 19, 2018, March 26, 2018

Frames:
Optolong Blue 36mm: 30×90" (gain: 75.00) -20C bin 1×1
Optolong CLS – CCD (V4) 36mm: 10×120" (gain: 75.00) -20C bin 1×1
Optolong CLS – CCD (V4) 36mm: 69×180" (gain: 75.00) -20C bin 1×1
Optolong CLS – CCD (V4) 36mm: 21×300" (gain: 75.00) -20C bin 1×1
Optolong Green 36mm: 30×90" (gain: 75.00) -20C bin 1×1
Optolong Red 36mm: 30×90" (gain: 75.00) -20C bin 1×1

Integration: 7.8 hours

Avg. Moon age: 9.96 days

Avg. Moon phase: 20.05%

Astrometry.net job: 1989414

RA center: 170.074 degrees

DEC center: 13.588 degrees

Pixel scale: 0.557 arcsec/pixel

Orientation: 89.306 degrees

Field radius: 0.427 degrees

Locations: Berga Resort, Berga, Barcelona, Spain

via Flickr https://flic.kr/p/25Fpn5a

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