Mon May 18 12:17:56 EDT 2026 Archived Par36 NIRISS Wide Field Slitless Spectroscopy 2.04 Sep 28, 2025 15:17:41 Sep 28, 2025 16:56:44 Archived Par38 NIRISS Wide Field Slitless Spectroscopy 2.04 Dec 12, 2025 07:27:58 Dec 12, 2025 08:55:58 Archived Par45 NIRISS Wide Field Slitless Spectroscopy 1.58 Mar 7, 2026 14:25:16 Mar 7, 2026 16:16:49 Archived Par14 NIRISS Wide Field Slitless Spectroscopy 2.04 Mar 9, 2026 13:43:20 Mar 9, 2026 15:39:42 Archived Par32 NIRISS Wide Field Slitless Spectroscopy 2.04 Mar 9, 2026 15:39:46 Mar 9, 2026 17:14:57 Archived Par34 NIRISS Wide Field Slitless Spectroscopy 1.68 Mar 14, 2026 00:35:58 Mar 14, 2026 02:16:15 Archived Par08 NIRISS Wide Field Slitless Spectroscopy 2.04 Apr 8, 2026 01:56:17 Apr 8, 2026 03:44:12 Archived Par35 NIRISS Wide Field Slitless Spectroscopy 2.04 Apr 8, 2026 03:44:16 Apr 8, 2026 05:13:48 Archived Par51 NIRISS Wide Field Slitless Spectroscopy 2.04 Apr 8, 2026 05:13:52 Apr 8, 2026 06:50:50 Archived Par37 NIRISS Wide Field Slitless Spectroscopy 2.04 Apr 13, 2026 04:14:10 Apr 13, 2026 06:06:40 Flight Ready Par04 NIRISS Wide Field Slitless Spectroscopy 2.04 May 30, 2026 - Jul 22, 2026 (2026.150 - 2026.203) Flight Ready Par16 NIRISS Wide Field Slitless Spectroscopy 2.04 Jul 3, 2026 - Aug 23, 2026 (2026.184 - 2026.235)