Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  IC 5070  ·  NGC 6997  ·  NGC 7000  ·  North America nebula  ·  Pelican nebula  ·  The star 57Cyg
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NGC7000 - 20190929 - TAMRON 135mm - Ha, altazastro
NGC7000 - 20190929 - TAMRON 135mm - Ha
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NGC7000 - 20190929 - TAMRON 135mm - Ha

Getting plate-solving status, please wait...
NGC7000 - 20190929 - TAMRON 135mm - Ha, altazastro
NGC7000 - 20190929 - TAMRON 135mm - Ha
Powered byPixInsight

NGC7000 - 20190929 - TAMRON 135mm - Ha

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Description

The pairing of a Baader Fringe Killer filter with an Astronomik IR 642 IRPASS filter creates a 35 nm wide filter centered on the H-alpha line at 656 nm.

Unfortunately with a vintage achromatic lens open at F 2.8, brighter stars appear nevertheless bloated or with halos.

Comments

Revisions

  • NGC7000 - 20190929 - TAMRON 135mm - Ha, altazastro
    Original
  • Final
    NGC7000 - 20190929 - TAMRON 135mm - Ha, altazastro
    B

B

Description: A more subdued, less stretched version. Bright stars look better, but the nebula is dimmer.

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NGC7000 - 20190929 - TAMRON 135mm - Ha, altazastro