Daily Archives: April 3, 2014

The Iris Nebula

a62b3fc731e5a96eb1ca8d72f6e42e67.1824x0_q100_watermark_watermark_opacity-10_watermark_position-6_watermark_text-Samuli VuorinenThe Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula, LBN 487, and the nebula is lit by a magnitude +7 star, SAO 19158. It shines at magnitude +6.8. It is located near theMira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alphirk). It lies 1,300 light-years away and is six light-years across.

Imaging telescopes or lenses: Boren-Simon PowerNewt 8
Imaging cameras: Atik 460EX
Mounts: Sky-Watcher EQ-6 Pro
Guiding telescopes or lenses: Teleskop-Service Finderscope
Guiding cameras: QHYCCD QHY5
Focal reducers: ASA 2″ x 0,73 Corrector/Reducer 2KORRR
Software: PixInsight, Maxim DL, AstroTortilla
Filters: Astronomik G, Astronomik B, Astronomik R, Astronomik L
Accessories: Lunatico Astronomia Seletek Armadillo
Dates: Sept. 6, 2013
Frames:
Astronomik B: 6×600″ -10C bin 1×1
Astronomik G: 6×600″ -10C bin 1×1
Astronomik L: 8×600″ -10C bin 1×1
Astronomik R: 6×600″ -10C bin 1×1
Integration: 4.3 hours
Flats: ~20
Bias: ~500

Author: Samuli Vuorinen

AstroPhotography of the day by SPONLI
3 Abril 2014

Related posts:

  1. NGC7023: Iris Nebula
  2. NGC 7023 Iris Nebula
  3. The Iris Nebula, (NGC 7023, Caldwell 4)
  4. NGC 7023

At the Edge of NGC 2174

hs-2014-18_n2174rotate
Image Credit: NASA, ESA, Hubble Heritage Team (STScI/AURA)

This fantastic skyscape lies near the edge of NGC 2174 a star forming region about 6,400 light-years away in the nebula-rich constellation of Orion. It follows mountainous clouds of gas and dust carved by winds and radiation from the region’s newborn stars, now found scattered in open star clusters embedded around the center of NGC 2174, off the top of the frame. Though star formation continues within these dusty cosmic clouds they will likely be dispersed by the energetic newborn stars within a few million years. Recorded at infrared wavelengths by the Hubble Space Telescope, the interstellar scene spans about 6 light-years. The image celebrates the upcoming 24th anniversary of Hubble’s launch onboard the space shuttle orbiter Discovery on April 24, 1990.

NASA APOD 03-Abril-2014

Related posts:

  1. NGC 2683: Edge-On Spiral Galaxy
  2. IC 1805: Light from the Heart
  3. A Particle Beam Jet forms HH 24
  4. Stars and Dust Across Corona Australis