Horsehead and co, 


            Bevan Whittleston

Horsehead and co

Horsehead and co, 


            Bevan Whittleston

Horsehead and co

Technical card

Imaging telescopes or lenses: Skywatcher Esprit 100 ED Super APO Triplet

Imaging cameras: ZWO ASI 183MM Pro

Mounts: iOptron CEM60

Guiding telescopes or lenses: Skywatcher 50 ED

Guiding cameras: ZWO ASI 120mm Mini

Software: Photoshop CC  ·  Pixinsight 1.8.8 Ripley  ·  Sequence Generator Pro

Filters: Optolong Ha 1.25" 7nm

Accessory: ZWO EFW Mini  ·  Starfield Dew Heaters  ·  Pegasus Astro Pocket Powerbox Advance

Dates:Jan. 29, 2021

Frames:Optolong Ha 1.25" 7nm: 87x420" (10h 9') (gain: 15.00) -15C bin 1x1

Integration: 10h 9'

Darks: ~35

Flats: ~40

Flat darks: ~40

Avg. Moon age: 15.48 days

Avg. Moon phase: 99.43%

Bortle Dark-Sky Scale: 5.00

Temperature: 24.00

Resolution: 7500x5011

Locations: Home, Napier, New Zealand

Data source: Backyard


Making the most of a 90%+ Moon and hot evenings; IC434, Barnard 33, and NGC2024 in 7Nm Ha.



Horsehead and co, 


            Bevan Whittleston