NASA logo
ACROSS
  • API

    • Browse Observations

    Query Filters

    Observatory / Telescope / Instrument

    Observation Name / Date / Type

    Coordinate Cone Search (J2000)

    Resolve Object Name to Coordinates

    Energy Regime / Bandpass

    Depth

    Filter By Schedule IDs

    1 Schedule ID selected
    4cb7f03f-8f7b-4978-bd93-a6b392678217
    1 Schedule ID

    Observations (Total: 235)
    << < 1 2 3 > >>

    Object Name Observatory/Telescope/Instrument Date Begin Date End RA° DEC° Exposure Time Bandpass Name Status
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 07:48:17

    2026-04-30 08:56:43

    166.12083

    38.20528

    		4106.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 06:29:50

    2026-04-30 07:48:16

    166.12083

    38.20528

    		4706.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 06:25:34

    2026-04-30 06:30:22

    166.12083

    38.20528

    		288.00 s OM V planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 05:16:51

    2026-04-30 05:46:57

    166.12083

    38.20528

    		1806.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 04:28:17

    2026-04-30 05:16:50

    166.12083

    38.20528

    		2913.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 02:49:50

    2026-04-30 04:28:16

    166.12083

    38.20528

    		5906.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 02:45:34

    2026-04-30 02:50:22

    166.12083

    38.20528

    		288.00 s OM V planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 00:58:24

    2026-04-30 01:51:57

    166.12083

    38.20528

    		3213.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-29 23:54:57

    2026-04-30 00:58:23

    166.12083

    38.20528

    		3806.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-29 22:36:30

    2026-04-29 23:54:56

    166.12083

    38.20528

    		4706.00 s OM UVW2 planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-29 22:32:14

    2026-04-29 22:37:02

    166.12083

    38.20528

    		288.00 s OM V planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 22:28:31

    2026-04-30 23:09:08

    166.10001

    38.18611

    		2437.00 s OM UVW2 planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 21:10:04

    2026-04-30 22:28:30

    166.10001

    38.18611

    		4706.00 s OM UVW2 planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 19:51:37

    2026-04-30 21:10:03

    166.10001

    38.18611

    		4706.00 s OM UVW2 planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 18:33:10

    2026-04-30 19:51:36

    166.10001

    38.18611

    		4706.00 s OM UVW2 planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-04-30 18:28:54

    2026-04-30 18:33:42

    166.10001

    38.18611

    		288.00 s OM V planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 06:39:16

    2026-05-01 07:19:08

    166.125

    38.23139

    		2392.00 s OM UVW2 planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 05:20:49

    2026-05-01 06:39:15

    166.125

    38.23139

    		4706.00 s OM UVW2 planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 04:02:22

    2026-05-01 05:20:48

    166.125

    38.23139

    		4706.00 s OM UVW2 planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 02:43:55

    2026-05-01 04:02:21

    166.125

    38.23139

    		4706.00 s OM UVW2 planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 01:25:28

    2026-05-01 02:43:54

    166.125

    38.23139

    		4706.00 s OM UVW2 planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 00:07:01

    2026-05-01 01:25:27

    166.125

    38.23139

    		4706.00 s OM UVW2 planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Optical Monitor

    2026-05-01 00:02:45

    2026-05-01 00:07:33

    166.125

    38.23139

    		288.00 s OM V planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - pn

    2026-04-29 15:22:57

    2026-04-29 21:29:37

    166.12083

    38.20528

    		22000.00 s XMM-Newton EPIC planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - pn

    2026-04-29 22:13:48

    2026-04-30 13:03:48

    166.12083

    38.20528

    		53400.00 s XMM-Newton EPIC planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - pn

    2026-04-30 18:10:28

    2026-04-30 22:38:48

    166.10001

    38.18611

    		16100.00 s XMM-Newton EPIC planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - pn

    2026-04-30 23:44:19

    2026-05-01 06:49:19

    166.125

    38.23139

    		25500.00 s XMM-Newton EPIC planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Reflection Grating Spectrometer

    2026-04-29 15:22:57

    2026-04-29 15:22:57

    166.12083

    38.20528

    		0.00 s XMM-Newton RGS planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Reflection Grating Spectrometer

    2026-04-29 22:13:48

    2026-04-30 17:33:48

    166.12083

    38.20528

    		69600.00 s XMM-Newton RGS planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Reflection Grating Spectrometer

    2026-04-30 18:10:28

    2026-04-30 23:07:08

    166.10001

    38.18611

    		17800.00 s XMM-Newton RGS planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    Reflection Grating Spectrometer

    2026-04-30 23:44:19

    2026-05-01 07:17:39

    166.125

    38.23139

    		27200.00 s XMM-Newton RGS planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - MOS

    2026-04-29 15:22:57

    2026-04-29 21:54:37

    166.12083

    38.20528

    		23500.00 s XMM-Newton EPIC planned
    Mkn 421 +30

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - MOS

    2026-04-29 22:13:48

    2026-04-30 14:55:28

    166.12083

    38.20528

    		60100.00 s XMM-Newton EPIC planned
    Mkn 421 -1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - MOS

    2026-04-30 18:10:28

    2026-04-30 23:05:28

    166.10001

    38.18611

    		17700.00 s XMM-Newton EPIC planned
    Mkn 421 +1.5

    X-ray Multi-Mirror Mission

    X-ray Multi-Mirror Mission

    European Photon Imaging Camera - MOS

    2026-04-30 23:44:19

    2026-05-01 07:15:59

    166.125

    38.23139

    		27100.00 s XMM-Newton EPIC planned
    << < 1 2 3 > >>