Scroll Down

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


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


PixInsight 1.8 Core