NGC 1788 - The Cosmic Bat

NGC 1788, also known as the Bat Nebula, is a striking reflection nebula located in the constellation Orion, approximately 1,300 light-years away. Despite being relatively isolated from Orion’s bright nebulae, it is influenced by the intense radiation from massive nearby stars, which sculpts its complex structure.

This region consists of dense dark nebulae, reflection nebulae, and faint emission features, giving it a distinct bat-like appearance. The illuminating stars hidden within the cloud create the blue glow characteristic of reflection nebulae, while ionized hydrogen adds subtle reddish hues at the edges. NGC 1788 is also a site of active star formation, hosting a population of young, low-mass stars embedded within its dusty filaments.

Its low surface brightness and intricate dust structures make it a challenging but rewarding astrophotography target, best captured under dark skies with long integration times.

Photographed from Trevinca, Spain under Bortle 2 conditions.

  • Category

    Emission Nebula

  • Coordinates

    RA 05h 06m 54s
    DEC −03° 21′ 00″

  • Distance

    420 pc

  • Apparent Mag

    9.0 (V)

  • Equipment

    TS ONTC8 200/800 Astrograph
    iOptron CEM70G
    ZWO ASI2600m

  • Exposure

    L: 126 x 300 s
    R: 46 x 300 s
    G: 46 x 300 s
    B: 48 x 300 s
    Ha: 82 x 300 s
    Total Integration: 29.0 h

  • Publication Date

    11.02.2025

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