Melotte 15 SHO with RGB stars

Melotte 15 “SHO Hubble palette”
an open cluster at the center of IC 1805 or the Heart Nebula, which is an emitting nebula located about 6500 light-years away in the constellation Cassiopeia.

Shooting instrument: Teleskop-Service ONTC 8 “f4.5
Imaging camera: ZWO ASI294MM Pro
Mounts: ioptron cem70
Guiding Instruments: ZWO OAG Off Axis Guider
Guide camera: ZWO ASI290MM
Reducers / focal length correctors: Televue Paracorr ll
Software: PixInsight Adobe Photoshop Photoshop 2021
Dates: September 21, 2021, September 22, 2021, September 23, 2021, September 24, 2021, September 29, 2021

Unit images:
ANTLIA H-Alpha 3.5nm: 100×300 “(8h 20 ‘) (gain: 120.00) -10C bin 2×2
ANTLIA H-Alpha 3.5nm: 26×300 “(2h 10 ‘) (gain: 120.00) -10C
ANTLIA OIII 3.5nm: 64×300 “(5h 20 ‘) (gain: 120.00) -10C bin 2×2
ANTLIA SII 3.5nm: 64×300 “(5h 20 ‘) (gain: 120.00) -10C bin 2×2
Astrodon Tru-Balance E-Series Gen 2 LRGB: 60×180 “(3h) (gain: 120.00) -10C bin 2×2
Integration: 24h 10 ‘
Darks: 60
Flats / PLU: 45
Dark-flats: 45

Autore: Christophe VERGNES (sito)