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Galaxy of the Whale and Hockey Stick in SW 1025 f5

sky-man
24438
Category:Deep Sky
Published:
2113
Galaxy of the Whale and Hockey Stick in SW 1025 f5NGC 4627NGC 4631NGC 4656NGC 4657
Resolution:
1200x1200 px
File size:
367 KB

Photo description / processing

The Whale and the Hockey Stick Galaxies I’m pleased to share the first light image from my travel achromat 102/500 F5. For nearly three years, it has accompanied me on road trips and flights, delivering excellent views of galaxies and nebulae from various locations—deep-sky performance has been flawless. Still, I decided to try imaging galaxy C32, which I observed a month earlier on April 10, 2023, through a 350mm binocular together with this little 102/500 in a blue zone, alongside fellow hobbyists. At the lower left is NGC 4631, known as the Whale Galaxy. Just above it floats the small galaxy NGC 4627, partly responsible for distorting the Whale’s shape. In the upper right is NGC 4656, the Hockey Stick Galaxy, which is also warped by the smaller galaxy NGC 4657, located right at the tip of the “blade” of the hockey stick. All these galaxies lie at roughly the same distance, about 25 million light-years away. Equipment and capture details: Achromat 102/500 F5, Stellamira 0.8× reducer/flattener → F4, ZWO 533MC, ZWO UV/IR Cut 2″, EQ6 mount, 8×50 QHY5L-II-M guide scope. 35×240 s, -10 °C, gain 105, offset 10. Suburban Kazan, 15 km from city center, orange light-pollution zone, ambient +9 °C. Calibration: 10 darks, 50 flats, 50 biases. Sun at -15°, already bright nights. Captured on May 11, 2023. Total integration: 2 h 20 min.

Technical information

Telescope/Lens
Sky-Watcher 1025 F5 ахромат
Camera
zwo 533mc
Mount
EQ6 belt mod/all german bearings
Guide Scope
TS-Optics 8x50 Finder Scope
Guide Camera
QHY5L-II-M
Accessories
StellaMira 0.8х reducer/fattener
Software
PHD2, Astro Photography Tool
Location
Казань, Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 35 × 240″ · ISO/Gain: 105 · zwo ir cut ·

Total exposure: 2 h 20 m

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