📷 : @adastro_tothestars
Sh2-119 è una nebulosa diffusa osservabile nella costellazione del Cigno.
Si individua circa 2 gradi ad ovest della Nebulosa Nord America, o 9 gradi ad ovest della brillante stella Deneb; sembra avvolgere la stella 68 Cygni, di quinta magnitudine.
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• • • • • •
SH2-119
Cool nebulosity near the famed NGC7000
~TARGET~
▪︎Nomenclature: SH2-119
~EQUIPMENT USED~
▪︎Telescope: Radian 61 @optcorp
▪︎Mount: AVX ⚙ @celestronuniverse
▪︎Main Camera: ASI1600MM 📷 @zwoasi
▪︎Guide Camera: ASI120mm-mini 📷
▪︎Guide Scope: Svbony SV165 🔭 @svbonyastronomy
▪︎Focuser: ZWO 5V EAF ⚙
▪︎Filterwheel: ZWO EFW 8-position
▪︎Filters: Antlia 3nm SHO
▪︎Acquisition Software: AsiAir Pro
~ACQUISITION~
🟥H-ALPHA: 20 x 300 sec
🟦OXYGEN-III: 20 x 300 sec
🟩SULPHUR-II: 20 x 300 sec
▪︎▪︎▪︎▪︎Total Integration: about 5hrs
▪︎BIN1x1
▪︎Dithered (every 3 frames at 5 pixels)
▪︎138 Gain
▪︎Sensor Temperature: -10 degree
~CALIBRATION~
▪︎30 darks
▪︎30 flats
▪︎100 bias
~IMAGE PROCESSING~
▪︎Pre-Processing: DeepSkyStacker
▪︎Post-Processing: PixInsight and Photoshop
▪︎▪︎▪︎Palette: SHO
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