My Astrophotography – IC 1396A (Elephant’s Truck)

IC 1396A (Elephant’s Truck Nebula)

  • The red glow is H‑alpha emission from ionised hydrogen.
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  • Dark globule inside emission nebula ~ The Elephant’s Trunk (IC 1396A) itself does not have a defined single magnitude because it is a dark globule embedded in an emission nebula.
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  • The larger region IC 1396 nebula has an apparent magnitude of +5.6.

  • Object Name
    IC 1396A

  • Object Type
    Dark globule inside emission nebula

  • Constellation
    Cepeus

  • Magnitude
    n/a

  • Distance
    2,450 light-years

  • Annotate

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Equipment

Telescope:

Mount:

Accessory:

Sky-Watcher Esprint 80ED Triplet

Sky-Watcher AZ-EQ6 GT

ZWO ASIair Plus

Camera:

Guiding:

Filter:

ZWO ASI2600MC Pro cooling

ZWO ASI1200MM

2″ Optolong eNchance

Bortle Scale: Kelling Heath, Weybourne, North Norfolk (Bortle 4.1)


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Integration

  • Date:
    Saturday 14th October 2023
  • Moonlit:
    Waxing Crescent 0.8 days old
    Magnitude: -3.0
    Moonlit: 5%
  • Total:
    180’s x 22 subs = 1 hour 6 minutes

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Constellation :- Cepheus (The Cepheus King)

Object :-

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Object :-

Other name :-

Type :

Magnitude :

Distance :-

Constellation :-

Right Ascension :-

Declination :-

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IC 1396A

Elephant’s Truck Nebula

Dark globule inside emission nebula

n/a

2,450 light years / 25 light years long

Cap (Cephus / The Cepheus King)

21h 35m 37s

+57° 24′ 03″

Enlarge on click the map.

(Click the map above for a large view.)

Abbreviation:  Cep
English Name:  The Cepheus King
Genitive: Alderamin, sometimes spelt Al Deramin.
Hemisphere: Northern Hemisphere
Location: Between the constellations of Cassiopeia and Draco.
Visible between latitudes:  +90 and -10 degrees
Best season: Autumn
Seen in three seasons: Summer, Autumn & Winter
Best seen in:  October (This constellation of Cepheus stays in the sky all the year.)
Seen between: August and December
Right Ascension (RA): 22 hour
Declination (DEC): +70 degrees
Area (square degrees):  588 (27th)

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Facts about IC 1396A

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  • “The Elephant’s Truck”, because the dark pillar of dust and gas in IC 1396A looks strikingly like the trunk of an elephant when seen in silhouette against the glowing red background of the IC 1396 emission nebula.

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