Messier 27 in Vulpecula, the Dumbell Nebula
NGC 6853, M27, the Dumbell Nebula in Vulpecula, is a bright
planetary nebula that is easy to find in small telescopes.
Hover over the image for an annotated view.
Date: 2 June 2025
FOV: cropped to 27' × 18'; the angular size of M27 is about 8' × 5.6'
Telescope: Celestron C14 SCT (3910mm, f/11`)
Starizona SCT Coma Corrector/Reducer (2668.5mm, f/7.5)
Guiding: ZWO ASI120MM mini guide camera, ZWO2600 Duo
Computer: ASIair pro Raspberry Pi
Mount: iOptron CEM120
Camera: ZWO ASI2600MC Pro Cooled (0°C) Color CMOS with gain 100
Pixel size: 3.76 μm
Resolution: 0.291 arcsec/pixel
Filter: Optolong UV/IR cut
Stacking: twenty-four 300 second frames using PixInsight
Total Time: 2 hours
Processing: Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT → Linear
HTS, GHS, MStr, PixelMath MStr + GHS + HST → Stars,
Linear, StarXT, HTS, GHS, MStr,
PixelMath MStr + GHS + HST → Starless, HDRMST76PhLm
PixelMath ~(~Starless*~Stars) → Blend, Sat, DynCrop/Scale
Location: Darling Hill Observatory in Vesper, NY