Open ClusterEasy to image

Cr 302

Constellation: Scorpius
Angular Size: 8.3°
Best Season: Summer

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Best Setups for This Target

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Telescope setups ranked by optical compatibility with this target.

Widefield Visual Explorer

Perfect framingObject fills most of the telescope field of view.

Compatibility score: 90 / 100. Based on telescope field-of-view calculations.

Wide-field visual setup for large nebulae and star clusters. The ZenithStar 73 apochromat gives pinpoint stars edge-to-edge with the Panoptic 35mm.

4 components

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Widefield Nebula Imaging

Suboptimal framingObject may not frame well with this setup.

Compatibility score: 20 / 100. Based on telescope field-of-view calculations.

A fast, wide-field imaging rig built on the Askar SQA55 quintuplet astrograph — a native-flat f/4.8 optic that frames large emission nebulae whole. Paired with the ASI2600MC Pro and an HEQ5 Pro, it's a proven narrowband-from-the-city setup.

6 components

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Star Cluster Sweeper

Suboptimal framingObject may not frame well with this setup.

Compatibility score: 20 / 100. Based on telescope field-of-view calculations.

Ultra-wide-field setup for large star clusters and sweeping the Milky Way. The 80ED apochromat and Nagler 31mm give a true field of view over 4°.

3 components

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Beginner Astrophotography Rig

Target may not fit in frameObject is larger than the telescope field of view.

Compatibility score: 10 / 100. Based on telescope field-of-view calculations.

Simple and beginner-friendly deep-sky imaging setup. The RedCat 51 is a forgiving short focal length scope; the ASI533MC square sensor fits its field perfectly.

6 components

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