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Elephant's Trunk Nebula, Ha

The stunning deep sky complex IC 1396 with the famous Elephant Trunk Nebula that lies just below the center. This is 126 minutes of Hydrogen-alpha.

Processing Details

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

Filter: 1.25" 5nm Astrodon Ha

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

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

Total Integration Time

1hr 6mins

Calibration Frames

30 Darks, 30 Flats

Software

PixInsight 1.8 Core

Photoshop

SharpCap