I no longer image with the ST-237, but it was a wonderful entry-level imager for me. The ST-237 has a 640x480 chip with 7.4 micron pixels. I currently use my ST-237 (my second one--I sold the one I used for all these images) as a secondary guider.
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M1: The Crab Nebula Supernova Remnant in Taurus |
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M3: Globular Cluster in Canes Venatici |
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M5: Globular Cluster in Serpens |
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M10: Globular Cluster in Ophiuchus |
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M11: Wild Duck Open Cluster in Scutum |
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M12: Globular Cluster in Ophiuchus |
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M13: Globular Cluster in Hercules |
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M16: Open Cluster with Nebulosity in Serpens (The Eagle Nebula) |
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M17: Diffuse Nebula in Sagittarius |
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M20: Diffuse Nebula in Sagittarius |
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M27: The Dumbell Planetary Nebula in Vulpeca |
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M33: Spiral Galaxy in Triangulum |
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M51: The Whirlpool Galaxy in Canes Venatici |
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M52: Open Cluster in Cassiopeia |
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M53: Globular Cluster in Coma Berenices |
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M55: Globular Cluster in Sagittarius |
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M57: The Ring Planetary Nebula in Lyra |
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M63: The Sunflower Galaxy in Canes Venatici |
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M64: The Blackeye Galaxy in Coma Berenices |
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M65, M66, and NGC 3628: The Leo Triplet Galaxy Group |
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M71: Globular Cluster in Sagitta |
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M81: Bode's Galaxy, spiral galaxy in Ursa Major |
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M82: Irregular Galaxy in Ursa Major |
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M100: Spiral Galaxy in Coma Berenices |
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M101: Spiral Galaxy in Ursa Major |
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M103: Open Cluster in Cassiopeia |
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M106: Spiral Galaxy in Canes Venatici |
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M109: Spiral Galaxy in Ursa Major |
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NGC 457: Open Cluster in Cassiopeia |
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NGC 663: Open Cluster in Cassiopeia |
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NGC 891: Galaxy in Andromeda |
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NGC 1245: Open Cluster in Perseus |
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NGC 2903: Spiral Galaxy in Leo |
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NGC 3184: Spiral Galaxy in Ursa Major |
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NGC 3521: Spiral Galaxy in Leo |
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NGC 3628: Spiral Galaxy in Leo |
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NGC 4088: Galaxy in Ursa Major |
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NGC 4565: Galaxy in Coma Berenices |
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NGC 4631: Spiral Galaxy in Canes Venatici (The Whale Galaxy) |
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NGC 5907: Galaxy in Draco |
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NGC 6995: Bright (emission and/or reflection) nebula in Cygnus |
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NGC 7023: Cluster with Nebulosity in Cepheus |
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NGC 7331: Galaxy in Pegasus |
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NGC 7635: The Bubble Nebula in Cassiopeia |
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NGC 7789: Open Cluster in Cassiopeia |
