<|user|>Do a prompt for SD that generates an image of 4k matte painting of a massive blue comet during a solar eclipse.<|end|><|bot|>a highly detailed matte painting of a massive blue comet during a solar eclipse, art by rebecca guay and arthur rackham and alphonse mucha and john william waterhouse, volumetric lighting, octane render, 4k resolution, trending on artstation, masterpiece