Elephants Trunk Nebula HOO 2018

Elephant's Trunk Nebula, HOO, 2018

IC 1396

Interstellar dust and gas in the deep sky complex IC 1396 with the magnificent Elephant's Trunk Nebula. This is 4 hours of Hydrogen-alpha and Oxygen III.

Tech Card

Date / Location

24th December 2018 & 8th January 2019, Bedworth, GMT+0, United Kingdom, Bortle Class 5 ~SGM: 19.57 mag./arc sec2

Equipment

Camera: ZWO ASI 1600MM-PRO USB 3.0 Mono (Type CMOS)

Sensor Cooling Temperature: -15C

Filters: 1.25" 5nm Astrodon Ha, 1.25" 3nm Astrodon OIII

Imaging Telescope: Takahashi FS-60CB

Correcting Lens: Takahashi Reducer 0.72x (composite focal length at 264mm and focal ratio at f/4.9)

Mount: iOptron CEM25EC

Image Quality

12Bit ADC (FITS)

Exposure time per image / number of composities and sensitivity

62 x 120" Ha subs (Gain 200, Offset 50/16, Binning 2x2)

44 x 120" OIII subs (Gain 200, Offset 50, Binning 2x2)

Total Integration Time

3hrs 32mins

Calibration Frames

25 Darks, 20/20 Flats for Ha/OIII

Software

PixInsight 1.8 Core

Photoshop

SharpCap

DEEP SKY

Deep Sky photographs

STARSCAPE

Starscape photographs

SOLAR SYSTEM

Solar system photographs