Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  HD205948  ·  HD206081  ·  HD239712  ·  LBN 451  ·  LBN 452  ·  LDN 1093  ·  LDN 1098  ·  LDN 1099  ·  LDN 1105  ·  VdB142
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IC1396 - Elephant Trunk Nebula, Drew Evans
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Getting plate-solving status, please wait...
IC1396 - Elephant Trunk Nebula, Drew Evans
Powered byPixInsight

Equipment

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Acquisition details

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Description

The Elephant Trunk Nebula shot in mono (SHO using Hubble Palette). 25 hours total acquisition time.  This object is a dark globule located on the western edge of IC1396 in the constellation Cepheus about 2,400 light years away from Earth.

Dark clouds of gas and dust are silhouetted against the glowing colorful gas of emission nebula surrounding this region (H-beta, OIII, H-alpha, and SII).

Stellar winds and ultraviolet light from a hot, young star above the trunk are compressing the gas and dust in the globule and triggering new star formation in its depths. The stellar winds are eroding the less-dense gas and dust around the globule, leaving the "elephant trunk" behind it.

OTA: Explore Scientific ED152 Air-Spaced Triplet, 1216mm focal length Aperture: 152 mm (6-inch), f/8
Mount: Celestron CGX-L
Camera: ZWO ASI2600MM Pro
Gain: 100

Filters: Astronomik 12nm CCD 2"

Night 1
Sii 45x600s = 7.5hrs

Night 2
Ha 58x600s = 9.7hrs

Night 3
Oiii 47x600s = 7.8hrs

25 hours total

Cooling Temperature: -10 Celsius
Auto-guiding: ZWO ASI174MM Mini and ZWO M48 OAG
Control: ZWO ASIAIR Pro

Flagstaff, AZ - Bortle 4 skies

Calibrated in Astro Pixel Processor⁣ with darks and flats
Processed in Pixinsight and Lightroom

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IC1396 - Elephant Trunk Nebula, Drew Evans